近几年来,人们尤为关注农药对呼吸系统的危害。这些农药主要包括熏剂和除草剂百草枯。据研究,许多用途较广的熏剂(如溴甲烷、二氧化硫)可引起严重的肺部反应,长期吸入可导致肺结缔组织异常的不可逆的恶性细胞增生。然而,目前研究的较多的还是除草剂百草枯。尽管百草枯在农业上具有广泛的用途,如控制稻田和果园里的杂草,作为棉花与向日葵的脱水剂,但人们不可忽视它可导 In recent years, people are particularly concerned about the harm of pesticides to the respiratory system. These pesticides mainly include the fumigant and the herbicide paraquat. According to the study, many of the more widely used fumigants (such as methyl bromide and sulfur dioxide) can cause severe pulmonary reactions. Long-term inhalation can lead to irreversible malignant cell hyperplasia of connective tissue abnormalities. However, more research is currently on the herbicide paraquat. Although paraquat has a wide range of agricultural uses, such as controlling weeds in rice fields and orchards and acting as a dehydrating agent for cotton and sunflower, one can not neglect its availability